Add JS files

port/js/jquery.waypoints.js

@@ -0,0 +1,647 @@
+/*!
+Waypoints - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var keyCounter = 0
+  var allWaypoints = {}
+
+  /* http://imakewebthings.com/waypoints/api/waypoint */
+  function Waypoint(options) {
+    if (!options) {
+      throw new Error('No options passed to Waypoint constructor')
+    }
+    if (!options.element) {
+      throw new Error('No element option passed to Waypoint constructor')
+    }
+    if (!options.handler) {
+      throw new Error('No handler option passed to Waypoint constructor')
+    }
+
+    this.key = 'waypoint-' + keyCounter
+    this.options = Waypoint.Adapter.extend({}, Waypoint.defaults, options)
+    this.element = this.options.element
+    this.adapter = new Waypoint.Adapter(this.element)
+    this.callback = options.handler
+    this.axis = this.options.horizontal ? 'horizontal' : 'vertical'
+    this.enabled = this.options.enabled
+    this.triggerPoint = null
+    this.group = Waypoint.Group.findOrCreate({
+      name: this.options.group,
+      axis: this.axis
+    })
+    this.context = Waypoint.Context.findOrCreateByElement(this.options.context)
+
+    if (Waypoint.offsetAliases[this.options.offset]) {
+      this.options.offset = Waypoint.offsetAliases[this.options.offset]
+    }
+    this.group.add(this)
+    this.context.add(this)
+    allWaypoints[this.key] = this
+    keyCounter += 1
+  }
+
+  /* Private */
+  Waypoint.prototype.queueTrigger = function(direction) {
+    this.group.queueTrigger(this, direction)
+  }
+
+  /* Private */
+  Waypoint.prototype.trigger = function(args) {
+    if (!this.enabled) {
+      return
+    }
+    if (this.callback) {
+      this.callback.apply(this, args)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy */
+  Waypoint.prototype.destroy = function() {
+    this.context.remove(this)
+    this.group.remove(this)
+    delete allWaypoints[this.key]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable */
+  Waypoint.prototype.disable = function() {
+    this.enabled = false
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable */
+  Waypoint.prototype.enable = function() {
+    this.context.refresh()
+    this.enabled = true
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/next */
+  Waypoint.prototype.next = function() {
+    return this.group.next(this)
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/previous */
+  Waypoint.prototype.previous = function() {
+    return this.group.previous(this)
+  }
+
+  /* Private */
+  Waypoint.invokeAll = function(method) {
+    var allWaypointsArray = []
+    for (var waypointKey in allWaypoints) {
+      allWaypointsArray.push(allWaypoints[waypointKey])
+    }
+    for (var i = 0, end = allWaypointsArray.length; i < end; i++) {
+      allWaypointsArray[i][method]()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy-all */
+  Waypoint.destroyAll = function() {
+    Waypoint.invokeAll('destroy')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable-all */
+  Waypoint.disableAll = function() {
+    Waypoint.invokeAll('disable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable-all */
+  Waypoint.enableAll = function() {
+    Waypoint.invokeAll('enable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/refresh-all */
+  Waypoint.refreshAll = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-height */
+  Waypoint.viewportHeight = function() {
+    return window.innerHeight || document.documentElement.clientHeight
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-width */
+  Waypoint.viewportWidth = function() {
+    return document.documentElement.clientWidth
+  }
+
+  Waypoint.adapters = []
+
+  Waypoint.defaults = {
+    context: window,
+    continuous: true,
+    enabled: true,
+    group: 'default',
+    horizontal: false,
+    offset: 0
+  }
+
+  Waypoint.offsetAliases = {
+    'bottom-in-view': function() {
+      return this.context.innerHeight() - this.adapter.outerHeight()
+    },
+    'right-in-view': function() {
+      return this.context.innerWidth() - this.adapter.outerWidth()
+    }
+  }
+
+  window.Waypoint = Waypoint
+}())
+;(function() {
+  'use strict'
+
+  function requestAnimationFrameShim(callback) {
+    window.setTimeout(callback, 1000 / 60)
+  }
+
+  var keyCounter = 0
+  var contexts = {}
+  var Waypoint = window.Waypoint
+  var oldWindowLoad = window.onload
+
+  /* http://imakewebthings.com/waypoints/api/context */
+  function Context(element) {
+    this.element = element
+    this.Adapter = Waypoint.Adapter
+    this.adapter = new this.Adapter(element)
+    this.key = 'waypoint-context-' + keyCounter
+    this.didScroll = false
+    this.didResize = false
+    this.oldScroll = {
+      x: this.adapter.scrollLeft(),
+      y: this.adapter.scrollTop()
+    }
+    this.waypoints = {
+      vertical: {},
+      horizontal: {}
+    }
+
+    element.waypointContextKey = this.key
+    contexts[element.waypointContextKey] = this
+    keyCounter += 1
+
+    this.createThrottledScrollHandler()
+    this.createThrottledResizeHandler()
+  }
+
+  /* Private */
+  Context.prototype.add = function(waypoint) {
+    var axis = waypoint.options.horizontal ? 'horizontal' : 'vertical'
+    this.waypoints[axis][waypoint.key] = waypoint
+    this.refresh()
+  }
+
+  /* Private */
+  Context.prototype.checkEmpty = function() {
+    var horizontalEmpty = this.Adapter.isEmptyObject(this.waypoints.horizontal)
+    var verticalEmpty = this.Adapter.isEmptyObject(this.waypoints.vertical)
+    if (horizontalEmpty && verticalEmpty) {
+      this.adapter.off('.waypoints')
+      delete contexts[this.key]
+    }
+  }
+
+  /* Private */
+  Context.prototype.createThrottledResizeHandler = function() {
+    var self = this
+
+    function resizeHandler() {
+      self.handleResize()
+      self.didResize = false
+    }
+
+    this.adapter.on('resize.waypoints', function() {
+      if (!self.didResize) {
+        self.didResize = true
+        Waypoint.requestAnimationFrame(resizeHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.createThrottledScrollHandler = function() {
+    var self = this
+    function scrollHandler() {
+      self.handleScroll()
+      self.didScroll = false
+    }
+
+    this.adapter.on('scroll.waypoints', function() {
+      if (!self.didScroll || Waypoint.isTouch) {
+        self.didScroll = true
+        Waypoint.requestAnimationFrame(scrollHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.handleResize = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Private */
+  Context.prototype.handleScroll = function() {
+    var triggeredGroups = {}
+    var axes = {
+      horizontal: {
+        newScroll: this.adapter.scrollLeft(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left'
+      },
+      vertical: {
+        newScroll: this.adapter.scrollTop(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      var isForward = axis.newScroll > axis.oldScroll
+      var direction = isForward ? axis.forward : axis.backward
+
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var wasBeforeTriggerPoint = axis.oldScroll < waypoint.triggerPoint
+        var nowAfterTriggerPoint = axis.newScroll >= waypoint.triggerPoint
+        var crossedForward = wasBeforeTriggerPoint && nowAfterTriggerPoint
+        var crossedBackward = !wasBeforeTriggerPoint && !nowAfterTriggerPoint
+        if (crossedForward || crossedBackward) {
+          waypoint.queueTrigger(direction)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    this.oldScroll = {
+      x: axes.horizontal.newScroll,
+      y: axes.vertical.newScroll
+    }
+  }
+
+  /* Private */
+  Context.prototype.innerHeight = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportHeight()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerHeight()
+  }
+
+  /* Private */
+  Context.prototype.remove = function(waypoint) {
+    delete this.waypoints[waypoint.axis][waypoint.key]
+    this.checkEmpty()
+  }
+
+  /* Private */
+  Context.prototype.innerWidth = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportWidth()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerWidth()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-destroy */
+  Context.prototype.destroy = function() {
+    var allWaypoints = []
+    for (var axis in this.waypoints) {
+      for (var waypointKey in this.waypoints[axis]) {
+        allWaypoints.push(this.waypoints[axis][waypointKey])
+      }
+    }
+    for (var i = 0, end = allWaypoints.length; i < end; i++) {
+      allWaypoints[i].destroy()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-refresh */
+  Context.prototype.refresh = function() {
+    /*eslint-disable eqeqeq */
+    var isWindow = this.element == this.element.window
+    /*eslint-enable eqeqeq */
+    var contextOffset = this.adapter.offset()
+    var triggeredGroups = {}
+    var axes
+
+    this.handleScroll()
+    axes = {
+      horizontal: {
+        contextOffset: isWindow ? 0 : contextOffset.left,
+        contextScroll: isWindow ? 0 : this.oldScroll.x,
+        contextDimension: this.innerWidth(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left',
+        offsetProp: 'left'
+      },
+      vertical: {
+        contextOffset: isWindow ? 0 : contextOffset.top,
+        contextScroll: isWindow ? 0 : this.oldScroll.y,
+        contextDimension: this.innerHeight(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up',
+        offsetProp: 'top'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var adjustment = waypoint.options.offset
+        var oldTriggerPoint = waypoint.triggerPoint
+        var elementOffset = 0
+        var freshWaypoint = oldTriggerPoint == null
+        var contextModifier, wasBeforeScroll, nowAfterScroll
+        var triggeredBackward, triggeredForward
+
+        if (waypoint.element !== waypoint.element.window) {
+          elementOffset = waypoint.adapter.offset()[axis.offsetProp]
+        }
+
+        if (typeof adjustment === 'function') {
+          adjustment = adjustment.apply(waypoint)
+        }
+        else if (typeof adjustment === 'string') {
+          adjustment = parseFloat(adjustment)
+          if (waypoint.options.offset.indexOf('%') > - 1) {
+            adjustment = Math.ceil(axis.contextDimension * adjustment / 100)
+          }
+        }
+
+        contextModifier = axis.contextScroll - axis.contextOffset
+        waypoint.triggerPoint = elementOffset + contextModifier - adjustment
+        wasBeforeScroll = oldTriggerPoint < axis.oldScroll
+        nowAfterScroll = waypoint.triggerPoint >= axis.oldScroll
+        triggeredBackward = wasBeforeScroll && nowAfterScroll
+        triggeredForward = !wasBeforeScroll && !nowAfterScroll
+
+        if (!freshWaypoint && triggeredBackward) {
+          waypoint.queueTrigger(axis.backward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (!freshWaypoint && triggeredForward) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (freshWaypoint && axis.oldScroll >= waypoint.triggerPoint) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    return this
+  }
+
+  /* Private */
+  Context.findOrCreateByElement = function(element) {
+    return Context.findByElement(element) || new Context(element)
+  }
+
+  /* Private */
+  Context.refreshAll = function() {
+    for (var contextId in contexts) {
+      contexts[contextId].refresh()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-find-by-element */
+  Context.findByElement = function(element) {
+    return contexts[element.waypointContextKey]
+  }
+
+  window.onload = function() {
+    if (oldWindowLoad) {
+      oldWindowLoad()
+    }
+    Context.refreshAll()
+  }
+
+  Waypoint.requestAnimationFrame = function(callback) {
+    var requestFn = window.requestAnimationFrame ||
+      window.mozRequestAnimationFrame ||
+      window.webkitRequestAnimationFrame ||
+      requestAnimationFrameShim
+    requestFn.call(window, callback)
+  }
+  Waypoint.Context = Context
+}())
+;(function() {
+  'use strict'
+
+  function byTriggerPoint(a, b) {
+    return a.triggerPoint - b.triggerPoint
+  }
+
+  function byReverseTriggerPoint(a, b) {
+    return b.triggerPoint - a.triggerPoint
+  }
+
+  var groups = {
+    vertical: {},
+    horizontal: {}
+  }
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/api/group */
+  function Group(options) {
+    this.name = options.name
+    this.axis = options.axis
+    this.id = this.name + '-' + this.axis
+    this.waypoints = []
+    this.clearTriggerQueues()
+    groups[this.axis][this.name] = this
+  }
+
+  /* Private */
+  Group.prototype.add = function(waypoint) {
+    this.waypoints.push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.clearTriggerQueues = function() {
+    this.triggerQueues = {
+      up: [],
+      down: [],
+      left: [],
+      right: []
+    }
+  }
+
+  /* Private */
+  Group.prototype.flushTriggers = function() {
+    for (var direction in this.triggerQueues) {
+      var waypoints = this.triggerQueues[direction]
+      var reverse = direction === 'up' || direction === 'left'
+      waypoints.sort(reverse ? byReverseTriggerPoint : byTriggerPoint)
+      for (var i = 0, end = waypoints.length; i < end; i += 1) {
+        var waypoint = waypoints[i]
+        if (waypoint.options.continuous || i === waypoints.length - 1) {
+          waypoint.trigger([direction])
+        }
+      }
+    }
+    this.clearTriggerQueues()
+  }
+
+  /* Private */
+  Group.prototype.next = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    var isLast = index === this.waypoints.length - 1
+    return isLast ? null : this.waypoints[index + 1]
+  }
+
+  /* Private */
+  Group.prototype.previous = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    return index ? this.waypoints[index - 1] : null
+  }
+
+  /* Private */
+  Group.prototype.queueTrigger = function(waypoint, direction) {
+    this.triggerQueues[direction].push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.remove = function(waypoint) {
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    if (index > -1) {
+      this.waypoints.splice(index, 1)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/first */
+  Group.prototype.first = function() {
+    return this.waypoints[0]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/last */
+  Group.prototype.last = function() {
+    return this.waypoints[this.waypoints.length - 1]
+  }
+
+  /* Private */
+  Group.findOrCreate = function(options) {
+    return groups[options.axis][options.name] || new Group(options)
+  }
+
+  Waypoint.Group = Group
+}())
+;(function() {
+  'use strict'
+
+  var $ = window.jQuery
+  var Waypoint = window.Waypoint
+
+  function JQueryAdapter(element) {
+    this.$element = $(element)
+  }
+
+  $.each([
+    'innerHeight',
+    'innerWidth',
+    'off',
+    'offset',
+    'on',
+    'outerHeight',
+    'outerWidth',
+    'scrollLeft',
+    'scrollTop'
+  ], function(i, method) {
+    JQueryAdapter.prototype[method] = function() {
+      var args = Array.prototype.slice.call(arguments)
+      return this.$element[method].apply(this.$element, args)
+    }
+  })
+
+  $.each([
+    'extend',
+    'inArray',
+    'isEmptyObject'
+  ], function(i, method) {
+    JQueryAdapter[method] = $[method]
+  })
+
+  Waypoint.adapters.push({
+    name: 'jquery',
+    Adapter: JQueryAdapter
+  })
+  Waypoint.Adapter = JQueryAdapter
+}())
+;(function() {
+  'use strict'
+
+  var Waypoint = window.Waypoint
+
+  function createExtension(framework) {
+    return function() {
+      var waypoints = []
+      var overrides = arguments[0]
+
+      if (framework.isFunction(arguments[0])) {
+        overrides = framework.extend({}, arguments[1])
+        overrides.handler = arguments[0]
+      }
+
+      this.each(function() {
+        var options = framework.extend({}, overrides, {
+          element: this
+        })
+        if (typeof options.context === 'string') {
+          options.context = framework(this).closest(options.context)[0]
+        }
+        waypoints.push(new Waypoint(options))
+      })
+
+      return waypoints
+    }
+  }
+
+  if (window.jQuery) {
+    window.jQuery.fn.waypoint = createExtension(window.jQuery)
+  }
+  if (window.Zepto) {
+    window.Zepto.fn.waypoint = createExtension(window.Zepto)
+  }
+}())
+;

port/js/noframework.waypoints.js

@@ -0,0 +1,743 @@
+/*!
+Waypoints - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var keyCounter = 0
+  var allWaypoints = {}
+
+  /* http://imakewebthings.com/waypoints/api/waypoint */
+  function Waypoint(options) {
+    if (!options) {
+      throw new Error('No options passed to Waypoint constructor')
+    }
+    if (!options.element) {
+      throw new Error('No element option passed to Waypoint constructor')
+    }
+    if (!options.handler) {
+      throw new Error('No handler option passed to Waypoint constructor')
+    }
+
+    this.key = 'waypoint-' + keyCounter
+    this.options = Waypoint.Adapter.extend({}, Waypoint.defaults, options)
+    this.element = this.options.element
+    this.adapter = new Waypoint.Adapter(this.element)
+    this.callback = options.handler
+    this.axis = this.options.horizontal ? 'horizontal' : 'vertical'
+    this.enabled = this.options.enabled
+    this.triggerPoint = null
+    this.group = Waypoint.Group.findOrCreate({
+      name: this.options.group,
+      axis: this.axis
+    })
+    this.context = Waypoint.Context.findOrCreateByElement(this.options.context)
+
+    if (Waypoint.offsetAliases[this.options.offset]) {
+      this.options.offset = Waypoint.offsetAliases[this.options.offset]
+    }
+    this.group.add(this)
+    this.context.add(this)
+    allWaypoints[this.key] = this
+    keyCounter += 1
+  }
+
+  /* Private */
+  Waypoint.prototype.queueTrigger = function(direction) {
+    this.group.queueTrigger(this, direction)
+  }
+
+  /* Private */
+  Waypoint.prototype.trigger = function(args) {
+    if (!this.enabled) {
+      return
+    }
+    if (this.callback) {
+      this.callback.apply(this, args)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy */
+  Waypoint.prototype.destroy = function() {
+    this.context.remove(this)
+    this.group.remove(this)
+    delete allWaypoints[this.key]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable */
+  Waypoint.prototype.disable = function() {
+    this.enabled = false
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable */
+  Waypoint.prototype.enable = function() {
+    this.context.refresh()
+    this.enabled = true
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/next */
+  Waypoint.prototype.next = function() {
+    return this.group.next(this)
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/previous */
+  Waypoint.prototype.previous = function() {
+    return this.group.previous(this)
+  }
+
+  /* Private */
+  Waypoint.invokeAll = function(method) {
+    var allWaypointsArray = []
+    for (var waypointKey in allWaypoints) {
+      allWaypointsArray.push(allWaypoints[waypointKey])
+    }
+    for (var i = 0, end = allWaypointsArray.length; i < end; i++) {
+      allWaypointsArray[i][method]()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy-all */
+  Waypoint.destroyAll = function() {
+    Waypoint.invokeAll('destroy')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable-all */
+  Waypoint.disableAll = function() {
+    Waypoint.invokeAll('disable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable-all */
+  Waypoint.enableAll = function() {
+    Waypoint.invokeAll('enable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/refresh-all */
+  Waypoint.refreshAll = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-height */
+  Waypoint.viewportHeight = function() {
+    return window.innerHeight || document.documentElement.clientHeight
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-width */
+  Waypoint.viewportWidth = function() {
+    return document.documentElement.clientWidth
+  }
+
+  Waypoint.adapters = []
+
+  Waypoint.defaults = {
+    context: window,
+    continuous: true,
+    enabled: true,
+    group: 'default',
+    horizontal: false,
+    offset: 0
+  }
+
+  Waypoint.offsetAliases = {
+    'bottom-in-view': function() {
+      return this.context.innerHeight() - this.adapter.outerHeight()
+    },
+    'right-in-view': function() {
+      return this.context.innerWidth() - this.adapter.outerWidth()
+    }
+  }
+
+  window.Waypoint = Waypoint
+}())
+;(function() {
+  'use strict'
+
+  function requestAnimationFrameShim(callback) {
+    window.setTimeout(callback, 1000 / 60)
+  }
+
+  var keyCounter = 0
+  var contexts = {}
+  var Waypoint = window.Waypoint
+  var oldWindowLoad = window.onload
+
+  /* http://imakewebthings.com/waypoints/api/context */
+  function Context(element) {
+    this.element = element
+    this.Adapter = Waypoint.Adapter
+    this.adapter = new this.Adapter(element)
+    this.key = 'waypoint-context-' + keyCounter
+    this.didScroll = false
+    this.didResize = false
+    this.oldScroll = {
+      x: this.adapter.scrollLeft(),
+      y: this.adapter.scrollTop()
+    }
+    this.waypoints = {
+      vertical: {},
+      horizontal: {}
+    }
+
+    element.waypointContextKey = this.key
+    contexts[element.waypointContextKey] = this
+    keyCounter += 1
+
+    this.createThrottledScrollHandler()
+    this.createThrottledResizeHandler()
+  }
+
+  /* Private */
+  Context.prototype.add = function(waypoint) {
+    var axis = waypoint.options.horizontal ? 'horizontal' : 'vertical'
+    this.waypoints[axis][waypoint.key] = waypoint
+    this.refresh()
+  }
+
+  /* Private */
+  Context.prototype.checkEmpty = function() {
+    var horizontalEmpty = this.Adapter.isEmptyObject(this.waypoints.horizontal)
+    var verticalEmpty = this.Adapter.isEmptyObject(this.waypoints.vertical)
+    if (horizontalEmpty && verticalEmpty) {
+      this.adapter.off('.waypoints')
+      delete contexts[this.key]
+    }
+  }
+
+  /* Private */
+  Context.prototype.createThrottledResizeHandler = function() {
+    var self = this
+
+    function resizeHandler() {
+      self.handleResize()
+      self.didResize = false
+    }
+
+    this.adapter.on('resize.waypoints', function() {
+      if (!self.didResize) {
+        self.didResize = true
+        Waypoint.requestAnimationFrame(resizeHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.createThrottledScrollHandler = function() {
+    var self = this
+    function scrollHandler() {
+      self.handleScroll()
+      self.didScroll = false
+    }
+
+    this.adapter.on('scroll.waypoints', function() {
+      if (!self.didScroll || Waypoint.isTouch) {
+        self.didScroll = true
+        Waypoint.requestAnimationFrame(scrollHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.handleResize = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Private */
+  Context.prototype.handleScroll = function() {
+    var triggeredGroups = {}
+    var axes = {
+      horizontal: {
+        newScroll: this.adapter.scrollLeft(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left'
+      },
+      vertical: {
+        newScroll: this.adapter.scrollTop(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      var isForward = axis.newScroll > axis.oldScroll
+      var direction = isForward ? axis.forward : axis.backward
+
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var wasBeforeTriggerPoint = axis.oldScroll < waypoint.triggerPoint
+        var nowAfterTriggerPoint = axis.newScroll >= waypoint.triggerPoint
+        var crossedForward = wasBeforeTriggerPoint && nowAfterTriggerPoint
+        var crossedBackward = !wasBeforeTriggerPoint && !nowAfterTriggerPoint
+        if (crossedForward || crossedBackward) {
+          waypoint.queueTrigger(direction)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    this.oldScroll = {
+      x: axes.horizontal.newScroll,
+      y: axes.vertical.newScroll
+    }
+  }
+
+  /* Private */
+  Context.prototype.innerHeight = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportHeight()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerHeight()
+  }
+
+  /* Private */
+  Context.prototype.remove = function(waypoint) {
+    delete this.waypoints[waypoint.axis][waypoint.key]
+    this.checkEmpty()
+  }
+
+  /* Private */
+  Context.prototype.innerWidth = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportWidth()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerWidth()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-destroy */
+  Context.prototype.destroy = function() {
+    var allWaypoints = []
+    for (var axis in this.waypoints) {
+      for (var waypointKey in this.waypoints[axis]) {
+        allWaypoints.push(this.waypoints[axis][waypointKey])
+      }
+    }
+    for (var i = 0, end = allWaypoints.length; i < end; i++) {
+      allWaypoints[i].destroy()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-refresh */
+  Context.prototype.refresh = function() {
+    /*eslint-disable eqeqeq */
+    var isWindow = this.element == this.element.window
+    /*eslint-enable eqeqeq */
+    var contextOffset = this.adapter.offset()
+    var triggeredGroups = {}
+    var axes
+
+    this.handleScroll()
+    axes = {
+      horizontal: {
+        contextOffset: isWindow ? 0 : contextOffset.left,
+        contextScroll: isWindow ? 0 : this.oldScroll.x,
+        contextDimension: this.innerWidth(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left',
+        offsetProp: 'left'
+      },
+      vertical: {
+        contextOffset: isWindow ? 0 : contextOffset.top,
+        contextScroll: isWindow ? 0 : this.oldScroll.y,
+        contextDimension: this.innerHeight(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up',
+        offsetProp: 'top'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var adjustment = waypoint.options.offset
+        var oldTriggerPoint = waypoint.triggerPoint
+        var elementOffset = 0
+        var freshWaypoint = oldTriggerPoint == null
+        var contextModifier, wasBeforeScroll, nowAfterScroll
+        var triggeredBackward, triggeredForward
+
+        if (waypoint.element !== waypoint.element.window) {
+          elementOffset = waypoint.adapter.offset()[axis.offsetProp]
+        }
+
+        if (typeof adjustment === 'function') {
+          adjustment = adjustment.apply(waypoint)
+        }
+        else if (typeof adjustment === 'string') {
+          adjustment = parseFloat(adjustment)
+          if (waypoint.options.offset.indexOf('%') > - 1) {
+            adjustment = Math.ceil(axis.contextDimension * adjustment / 100)
+          }
+        }
+
+        contextModifier = axis.contextScroll - axis.contextOffset
+        waypoint.triggerPoint = elementOffset + contextModifier - adjustment
+        wasBeforeScroll = oldTriggerPoint < axis.oldScroll
+        nowAfterScroll = waypoint.triggerPoint >= axis.oldScroll
+        triggeredBackward = wasBeforeScroll && nowAfterScroll
+        triggeredForward = !wasBeforeScroll && !nowAfterScroll
+
+        if (!freshWaypoint && triggeredBackward) {
+          waypoint.queueTrigger(axis.backward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (!freshWaypoint && triggeredForward) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (freshWaypoint && axis.oldScroll >= waypoint.triggerPoint) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    return this
+  }
+
+  /* Private */
+  Context.findOrCreateByElement = function(element) {
+    return Context.findByElement(element) || new Context(element)
+  }
+
+  /* Private */
+  Context.refreshAll = function() {
+    for (var contextId in contexts) {
+      contexts[contextId].refresh()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-find-by-element */
+  Context.findByElement = function(element) {
+    return contexts[element.waypointContextKey]
+  }
+
+  window.onload = function() {
+    if (oldWindowLoad) {
+      oldWindowLoad()
+    }
+    Context.refreshAll()
+  }
+
+  Waypoint.requestAnimationFrame = function(callback) {
+    var requestFn = window.requestAnimationFrame ||
+      window.mozRequestAnimationFrame ||
+      window.webkitRequestAnimationFrame ||
+      requestAnimationFrameShim
+    requestFn.call(window, callback)
+  }
+  Waypoint.Context = Context
+}())
+;(function() {
+  'use strict'
+
+  function byTriggerPoint(a, b) {
+    return a.triggerPoint - b.triggerPoint
+  }
+
+  function byReverseTriggerPoint(a, b) {
+    return b.triggerPoint - a.triggerPoint
+  }
+
+  var groups = {
+    vertical: {},
+    horizontal: {}
+  }
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/api/group */
+  function Group(options) {
+    this.name = options.name
+    this.axis = options.axis
+    this.id = this.name + '-' + this.axis
+    this.waypoints = []
+    this.clearTriggerQueues()
+    groups[this.axis][this.name] = this
+  }
+
+  /* Private */
+  Group.prototype.add = function(waypoint) {
+    this.waypoints.push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.clearTriggerQueues = function() {
+    this.triggerQueues = {
+      up: [],
+      down: [],
+      left: [],
+      right: []
+    }
+  }
+
+  /* Private */
+  Group.prototype.flushTriggers = function() {
+    for (var direction in this.triggerQueues) {
+      var waypoints = this.triggerQueues[direction]
+      var reverse = direction === 'up' || direction === 'left'
+      waypoints.sort(reverse ? byReverseTriggerPoint : byTriggerPoint)
+      for (var i = 0, end = waypoints.length; i < end; i += 1) {
+        var waypoint = waypoints[i]
+        if (waypoint.options.continuous || i === waypoints.length - 1) {
+          waypoint.trigger([direction])
+        }
+      }
+    }
+    this.clearTriggerQueues()
+  }
+
+  /* Private */
+  Group.prototype.next = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    var isLast = index === this.waypoints.length - 1
+    return isLast ? null : this.waypoints[index + 1]
+  }
+
+  /* Private */
+  Group.prototype.previous = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    return index ? this.waypoints[index - 1] : null
+  }
+
+  /* Private */
+  Group.prototype.queueTrigger = function(waypoint, direction) {
+    this.triggerQueues[direction].push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.remove = function(waypoint) {
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    if (index > -1) {
+      this.waypoints.splice(index, 1)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/first */
+  Group.prototype.first = function() {
+    return this.waypoints[0]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/last */
+  Group.prototype.last = function() {
+    return this.waypoints[this.waypoints.length - 1]
+  }
+
+  /* Private */
+  Group.findOrCreate = function(options) {
+    return groups[options.axis][options.name] || new Group(options)
+  }
+
+  Waypoint.Group = Group
+}())
+;(function() {
+  'use strict'
+
+  var Waypoint = window.Waypoint
+
+  function isWindow(element) {
+    return element === element.window
+  }
+
+  function getWindow(element) {
+    if (isWindow(element)) {
+      return element
+    }
+    return element.defaultView
+  }
+
+  function NoFrameworkAdapter(element) {
+    this.element = element
+    this.handlers = {}
+  }
+
+  NoFrameworkAdapter.prototype.innerHeight = function() {
+    var isWin = isWindow(this.element)
+    return isWin ? this.element.innerHeight : this.element.clientHeight
+  }
+
+  NoFrameworkAdapter.prototype.innerWidth = function() {
+    var isWin = isWindow(this.element)
+    return isWin ? this.element.innerWidth : this.element.clientWidth
+  }
+
+  NoFrameworkAdapter.prototype.off = function(event, handler) {
+    function removeListeners(element, listeners, handler) {
+      for (var i = 0, end = listeners.length - 1; i < end; i++) {
+        var listener = listeners[i]
+        if (!handler || handler === listener) {
+          element.removeEventListener(listener)
+        }
+      }
+    }
+
+    var eventParts = event.split('.')
+    var eventType = eventParts[0]
+    var namespace = eventParts[1]
+    var element = this.element
+
+    if (namespace && this.handlers[namespace] && eventType) {
+      removeListeners(element, this.handlers[namespace][eventType], handler)
+      this.handlers[namespace][eventType] = []
+    }
+    else if (eventType) {
+      for (var ns in this.handlers) {
+        removeListeners(element, this.handlers[ns][eventType] || [], handler)
+        this.handlers[ns][eventType] = []
+      }
+    }
+    else if (namespace && this.handlers[namespace]) {
+      for (var type in this.handlers[namespace]) {
+        removeListeners(element, this.handlers[namespace][type], handler)
+      }
+      this.handlers[namespace] = {}
+    }
+  }
+
+  /* Adapted from jQuery 1.x offset() */
+  NoFrameworkAdapter.prototype.offset = function() {
+    if (!this.element.ownerDocument) {
+      return null
+    }
+
+    var documentElement = this.element.ownerDocument.documentElement
+    var win = getWindow(this.element.ownerDocument)
+    var rect = {
+      top: 0,
+      left: 0
+    }
+
+    if (this.element.getBoundingClientRect) {
+      rect = this.element.getBoundingClientRect()
+    }
+
+    return {
+      top: rect.top + win.pageYOffset - documentElement.clientTop,
+      left: rect.left + win.pageXOffset - documentElement.clientLeft
+    }
+  }
+
+  NoFrameworkAdapter.prototype.on = function(event, handler) {
+    var eventParts = event.split('.')
+    var eventType = eventParts[0]
+    var namespace = eventParts[1] || '__default'
+    var nsHandlers = this.handlers[namespace] = this.handlers[namespace] || {}
+    var nsTypeList = nsHandlers[eventType] = nsHandlers[eventType] || []
+
+    nsTypeList.push(handler)
+    this.element.addEventListener(eventType, handler)
+  }
+
+  NoFrameworkAdapter.prototype.outerHeight = function(includeMargin) {
+    var height = this.innerHeight()
+    var computedStyle
+
+    if (includeMargin && !isWindow(this.element)) {
+      computedStyle = window.getComputedStyle(this.element)
+      height += parseInt(computedStyle.marginTop, 10)
+      height += parseInt(computedStyle.marginBottom, 10)
+    }
+
+    return height
+  }
+
+  NoFrameworkAdapter.prototype.outerWidth = function(includeMargin) {
+    var width = this.innerWidth()
+    var computedStyle
+
+    if (includeMargin && !isWindow(this.element)) {
+      computedStyle = window.getComputedStyle(this.element)
+      width += parseInt(computedStyle.marginLeft, 10)
+      width += parseInt(computedStyle.marginRight, 10)
+    }
+
+    return width
+  }
+
+  NoFrameworkAdapter.prototype.scrollLeft = function() {
+    var win = getWindow(this.element)
+    return win ? win.pageXOffset : this.element.scrollLeft
+  }
+
+  NoFrameworkAdapter.prototype.scrollTop = function() {
+    var win = getWindow(this.element)
+    return win ? win.pageYOffset : this.element.scrollTop
+  }
+
+  NoFrameworkAdapter.extend = function() {
+    var args = Array.prototype.slice.call(arguments)
+
+    function merge(target, obj) {
+      if (typeof target === 'object' && typeof obj === 'object') {
+        for (var key in obj) {
+          if (obj.hasOwnProperty(key)) {
+            target[key] = obj[key]
+          }
+        }
+      }
+
+      return target
+    }
+
+    for (var i = 1, end = args.length; i < end; i++) {
+      merge(args[0], args[i])
+    }
+    return args[0]
+  }
+
+  NoFrameworkAdapter.inArray = function(element, array, i) {
+    return array == null ? -1 : array.indexOf(element, i)
+  }
+
+  NoFrameworkAdapter.isEmptyObject = function(obj) {
+    /* eslint no-unused-vars: 0 */
+    for (var name in obj) {
+      return false
+    }
+    return true
+  }
+
+  Waypoint.adapters.push({
+    name: 'noframework',
+    Adapter: NoFrameworkAdapter
+  })
+  Waypoint.Adapter = NoFrameworkAdapter
+}())
+;

port/js/shortcuts/infinite.js

@@ -0,0 +1,84 @@
+/*!
+Waypoints Infinite Scroll Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var $ = window.jQuery
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/shortcuts/infinite-scroll */
+  function Infinite(options) {
+    this.options = $.extend({}, Infinite.defaults, options)
+    this.container = this.options.element
+    if (this.options.container !== 'auto') {
+      this.container = this.options.container
+    }
+    this.$container = $(this.container)
+    this.$more = $(this.options.more)
+
+    if (this.$more.length) {
+      this.setupHandler()
+      this.waypoint = new Waypoint(this.options)
+    }
+  }
+
+  /* Private */
+  Infinite.prototype.setupHandler = function() {
+    this.options.handler = $.proxy(function() {
+      this.options.onBeforePageLoad()
+      this.destroy()
+      this.$container.addClass(this.options.loadingClass)
+
+      $.get($(this.options.more).attr('href'), $.proxy(function(data) {
+        var $data = $($.parseHTML(data))
+        var $newMore = $data.find(this.options.more)
+
+        var $items = $data.find(this.options.items)
+        if (!$items.length) {
+          $items = $data.filter(this.options.items)
+        }
+
+        this.$container.append($items)
+        this.$container.removeClass(this.options.loadingClass)
+
+        if (!$newMore.length) {
+          $newMore = $data.filter(this.options.more)
+        }
+        if ($newMore.length) {
+          this.$more.replaceWith($newMore)
+          this.$more = $newMore
+          this.waypoint = new Waypoint(this.options)
+        }
+        else {
+          this.$more.remove()
+        }
+
+        this.options.onAfterPageLoad()
+      }, this))
+    }, this)
+  }
+
+  /* Public */
+  Infinite.prototype.destroy = function() {
+    if (this.waypoint) {
+      this.waypoint.destroy()
+    }
+  }
+
+  Infinite.defaults = {
+    container: 'auto',
+    items: '.infinite-item',
+    more: '.infinite-more-link',
+    offset: 'bottom-in-view',
+    loadingClass: 'infinite-loading',
+    onBeforePageLoad: $.noop,
+    onAfterPageLoad: $.noop
+  }
+
+  Waypoint.Infinite = Infinite
+}())
+;

port/js/shortcuts/infinite.min.js

@@ -0,0 +1,7 @@
+/*!
+Waypoints Infinite Scroll Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+!function(){"use strict";function t(n){this.options=i.extend({},t.defaults,n),this.container=this.options.element,"auto"!==this.options.container&&(this.container=this.options.container),this.$container=i(this.container),this.$more=i(this.options.more),this.$more.length&&(this.setupHandler(),this.waypoint=new o(this.options))}var i=window.jQuery,o=window.Waypoint;t.prototype.setupHandler=function(){this.options.handler=i.proxy(function(){this.options.onBeforePageLoad(),this.destroy(),this.$container.addClass(this.options.loadingClass),i.get(i(this.options.more).attr("href"),i.proxy(function(t){var n=i(i.parseHTML(t)),e=n.find(this.options.more),s=n.find(this.options.items);s.length||(s=n.filter(this.options.items)),this.$container.append(s),this.$container.removeClass(this.options.loadingClass),e.length||(e=n.filter(this.options.more)),e.length?(this.$more.replaceWith(e),this.$more=e,this.waypoint=new o(this.options)):this.$more.remove(),this.options.onAfterPageLoad()},this))},this)},t.prototype.destroy=function(){this.waypoint&&this.waypoint.destroy()},t.defaults={container:"auto",items:".infinite-item",more:".infinite-more-link",offset:"bottom-in-view",loadingClass:"infinite-loading",onBeforePageLoad:i.noop,onAfterPageLoad:i.noop},o.Infinite=t}();

port/js/shortcuts/inview.js

@@ -0,0 +1,103 @@
+/*!
+Waypoints Inview Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  function noop() {}
+
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/shortcuts/inview */
+  function Inview(options) {
+    this.options = Waypoint.Adapter.extend({}, Inview.defaults, options)
+    this.axis = this.options.horizontal ? 'horizontal' : 'vertical'
+    this.waypoints = []
+    this.createWaypoints()
+  }
+
+  /* Private */
+  Inview.prototype.createWaypoints = function() {
+    var configs = {
+      vertical: [{
+        down: 'enter',
+        up: 'exited',
+        offset: '100%'
+      }, {
+        down: 'entered',
+        up: 'exit',
+        offset: 'bottom-in-view'
+      }, {
+        down: 'exit',
+        up: 'entered',
+        offset: 0
+      }, {
+        down: 'exited',
+        up: 'enter',
+        offset: function() {
+          return -this.adapter.outerHeight()
+        }
+      }],
+      horizontal: [{
+        right: 'enter',
+        left: 'exited',
+        offset: '100%'
+      }, {
+        right: 'entered',
+        left: 'exit',
+        offset: 'right-in-view'
+      }, {
+        right: 'exit',
+        left: 'entered',
+        offset: 0
+      }, {
+        right: 'exited',
+        left: 'enter',
+        offset: function() {
+          return -this.adapter.outerWidth()
+        }
+      }]
+    }
+
+    for (var i = 0, end = configs[this.axis].length; i < end; i++) {
+      var config = configs[this.axis][i]
+      this.createWaypoint(config)
+    }
+  }
+
+  /* Private */
+  Inview.prototype.createWaypoint = function(config) {
+    var self = this
+    this.waypoints.push(new Waypoint({
+      element: this.options.element,
+      handler: (function(config) {
+        return function(direction) {
+          self.options[config[direction]].call(this, direction)
+        }
+      }(config)),
+      offset: config.offset,
+      horizontal: this.options.horizontal
+    }))
+  }
+
+  /* Public */
+  Inview.prototype.destroy = function() {
+    for (var i = 0, end = this.waypoints.length; i < end; i++) {
+      this.waypoints[i].destroy()
+    }
+    this.waypoints = []
+  }
+
+  Inview.defaults = {
+    enter: noop,
+    entered: noop,
+    exit: noop,
+    exited: noop
+  }
+
+  Waypoint.Inview = Inview
+}())
+;

port/js/shortcuts/inview.min.js

@@ -0,0 +1,7 @@
+/*!
+Waypoints Inview Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+!function(){"use strict";function t(){}function e(t){this.options=i.Adapter.extend({},e.defaults,t),this.axis=this.options.horizontal?"horizontal":"vertical",this.waypoints=[],this.createWaypoints()}var i=window.Waypoint;e.prototype.createWaypoints=function(){for(var t={vertical:[{down:"enter",up:"exited",offset:"100%"},{down:"entered",up:"exit",offset:"bottom-in-view"},{down:"exit",up:"entered",offset:0},{down:"exited",up:"enter",offset:function(){return-this.adapter.outerHeight()}}],horizontal:[{right:"enter",left:"exited",offset:"100%"},{right:"entered",left:"exit",offset:"right-in-view"},{right:"exit",left:"entered",offset:0},{right:"exited",left:"enter",offset:function(){return-this.adapter.outerWidth()}}]},e=0,i=t[this.axis].length;i>e;e++){var o=t[this.axis][e];this.createWaypoint(o)}},e.prototype.createWaypoint=function(t){var e=this;this.waypoints.push(new i({element:this.options.element,handler:function(t){return function(i){e.options[t[i]].call(this,i)}}(t),offset:t.offset,horizontal:this.options.horizontal}))},e.prototype.destroy=function(){for(var t=0,e=this.waypoints.length;e>t;t++)this.waypoints[t].destroy();this.waypoints=[]},e.defaults={enter:t,entered:t,exit:t,exited:t},i.Inview=e}();

port/js/shortcuts/sticky.js

@@ -0,0 +1,65 @@
+/*!
+Waypoints Sticky Element Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var $ = window.jQuery
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/shortcuts/sticky-elements */
+  function Sticky(options) {
+    this.options = $.extend({}, Waypoint.defaults, Sticky.defaults, options)
+    this.element = this.options.element
+    this.$element = $(this.element)
+    this.createWrapper()
+    this.createWaypoint()
+  }
+
+  /* Private */
+  Sticky.prototype.createWaypoint = function() {
+    var originalHandler = this.options.handler
+
+    this.waypoint = new Waypoint($.extend({}, this.options, {
+      element: this.wrapper,
+      handler: $.proxy(function(direction) {
+        var shouldBeStuck = this.options.direction.indexOf(direction) > -1
+        var wrapperHeight = shouldBeStuck ? this.$element.outerHeight(true) : ''
+
+        this.$wrapper.height(wrapperHeight)
+        this.$element.toggleClass(this.options.stuckClass, shouldBeStuck)
+
+        if (originalHandler) {
+          originalHandler.call(this, direction)
+        }
+      }, this)
+    }))
+  }
+
+  /* Private */
+  Sticky.prototype.createWrapper = function() {
+    this.$element.wrap(this.options.wrapper)
+    this.$wrapper = this.$element.parent()
+    this.wrapper = this.$wrapper[0]
+  }
+
+  /* Public */
+  Sticky.prototype.destroy = function() {
+    if (this.$element.parent()[0] === this.wrapper) {
+      this.waypoint.destroy()
+      this.$element.removeClass(this.options.stuckClass).unwrap()
+    }
+  }
+
+  Sticky.defaults = {
+    wrapper: '<div class="sticky-wrapper" />',
+    stuckClass: 'stuck',
+    direction: 'down right'
+  }
+
+  Waypoint.Sticky = Sticky
+}())
+;

port/js/shortcuts/sticky.min.js

@@ -0,0 +1,7 @@
+/*!
+Waypoints Sticky Element Shortcut - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+!function(){"use strict";function t(s){this.options=e.extend({},i.defaults,t.defaults,s),this.element=this.options.element,this.$element=e(this.element),this.createWrapper(),this.createWaypoint()}var e=window.jQuery,i=window.Waypoint;t.prototype.createWaypoint=function(){var t=this.options.handler;this.waypoint=new i(e.extend({},this.options,{element:this.wrapper,handler:e.proxy(function(e){var i=this.options.direction.indexOf(e)>-1,s=i?this.$element.outerHeight(!0):"";this.$wrapper.height(s),this.$element.toggleClass(this.options.stuckClass,i),t&&t.call(this,e)},this)}))},t.prototype.createWrapper=function(){this.$element.wrap(this.options.wrapper),this.$wrapper=this.$element.parent(),this.wrapper=this.$wrapper[0]},t.prototype.destroy=function(){this.$element.parent()[0]===this.wrapper&&(this.waypoint.destroy(),this.$element.removeClass(this.options.stuckClass).unwrap())},t.defaults={wrapper:'<div class="sticky-wrapper" />',stuckClass:"stuck",direction:"down right"},i.Sticky=t}();

port/js/waypoints.debug.js

@@ -0,0 +1,46 @@
+/*!
+Waypoints Debug - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var displayNoneMessage = [
+    'You have a Waypoint element with display none. For more information on ',
+    'why this is a bad idea read ',
+    'http://imakewebthings.com/waypoints/guides/debugging/#display-none'
+  ].join('')
+  var fixedMessage = [
+    'You have a Waypoint element with fixed positioning. For more ',
+    'information on why this is a bad idea read ',
+    'http://imakewebthings.com/waypoints/guides/debugging/#fixed-position'
+  ].join('')
+
+  function checkWaypointStyles() {
+    var originalRefresh = window.Waypoint.Context.prototype.refresh
+
+    window.Waypoint.Context.prototype.refresh = function() {
+      for (var axis in this.waypoints) {
+        for (var key in this.waypoints[axis]) {
+          var waypoint = this.waypoints[axis][key]
+          var style = window.getComputedStyle(waypoint.element)
+          if (!waypoint.enabled) {
+            continue
+          }
+          if (style && style.display === 'none') {
+            console.error(displayNoneMessage)
+          }
+          if (style && style.position === 'fixed') {
+            console.error(fixedMessage)
+          }
+        }
+      }
+      return originalRefresh.call(this)
+    }
+  }
+
+  checkWaypointStyles()
+}())
+;

port/js/zepto.waypoints.js

@@ -0,0 +1,690 @@
+/*!
+Waypoints - 3.1.1
+Copyright © 2011-2015 Caleb Troughton
+Licensed under the MIT license.
+https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
+*/
+(function() {
+  'use strict'
+
+  var keyCounter = 0
+  var allWaypoints = {}
+
+  /* http://imakewebthings.com/waypoints/api/waypoint */
+  function Waypoint(options) {
+    if (!options) {
+      throw new Error('No options passed to Waypoint constructor')
+    }
+    if (!options.element) {
+      throw new Error('No element option passed to Waypoint constructor')
+    }
+    if (!options.handler) {
+      throw new Error('No handler option passed to Waypoint constructor')
+    }
+
+    this.key = 'waypoint-' + keyCounter
+    this.options = Waypoint.Adapter.extend({}, Waypoint.defaults, options)
+    this.element = this.options.element
+    this.adapter = new Waypoint.Adapter(this.element)
+    this.callback = options.handler
+    this.axis = this.options.horizontal ? 'horizontal' : 'vertical'
+    this.enabled = this.options.enabled
+    this.triggerPoint = null
+    this.group = Waypoint.Group.findOrCreate({
+      name: this.options.group,
+      axis: this.axis
+    })
+    this.context = Waypoint.Context.findOrCreateByElement(this.options.context)
+
+    if (Waypoint.offsetAliases[this.options.offset]) {
+      this.options.offset = Waypoint.offsetAliases[this.options.offset]
+    }
+    this.group.add(this)
+    this.context.add(this)
+    allWaypoints[this.key] = this
+    keyCounter += 1
+  }
+
+  /* Private */
+  Waypoint.prototype.queueTrigger = function(direction) {
+    this.group.queueTrigger(this, direction)
+  }
+
+  /* Private */
+  Waypoint.prototype.trigger = function(args) {
+    if (!this.enabled) {
+      return
+    }
+    if (this.callback) {
+      this.callback.apply(this, args)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy */
+  Waypoint.prototype.destroy = function() {
+    this.context.remove(this)
+    this.group.remove(this)
+    delete allWaypoints[this.key]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable */
+  Waypoint.prototype.disable = function() {
+    this.enabled = false
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable */
+  Waypoint.prototype.enable = function() {
+    this.context.refresh()
+    this.enabled = true
+    return this
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/next */
+  Waypoint.prototype.next = function() {
+    return this.group.next(this)
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/previous */
+  Waypoint.prototype.previous = function() {
+    return this.group.previous(this)
+  }
+
+  /* Private */
+  Waypoint.invokeAll = function(method) {
+    var allWaypointsArray = []
+    for (var waypointKey in allWaypoints) {
+      allWaypointsArray.push(allWaypoints[waypointKey])
+    }
+    for (var i = 0, end = allWaypointsArray.length; i < end; i++) {
+      allWaypointsArray[i][method]()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/destroy-all */
+  Waypoint.destroyAll = function() {
+    Waypoint.invokeAll('destroy')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/disable-all */
+  Waypoint.disableAll = function() {
+    Waypoint.invokeAll('disable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/enable-all */
+  Waypoint.enableAll = function() {
+    Waypoint.invokeAll('enable')
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/refresh-all */
+  Waypoint.refreshAll = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-height */
+  Waypoint.viewportHeight = function() {
+    return window.innerHeight || document.documentElement.clientHeight
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/viewport-width */
+  Waypoint.viewportWidth = function() {
+    return document.documentElement.clientWidth
+  }
+
+  Waypoint.adapters = []
+
+  Waypoint.defaults = {
+    context: window,
+    continuous: true,
+    enabled: true,
+    group: 'default',
+    horizontal: false,
+    offset: 0
+  }
+
+  Waypoint.offsetAliases = {
+    'bottom-in-view': function() {
+      return this.context.innerHeight() - this.adapter.outerHeight()
+    },
+    'right-in-view': function() {
+      return this.context.innerWidth() - this.adapter.outerWidth()
+    }
+  }
+
+  window.Waypoint = Waypoint
+}())
+;(function() {
+  'use strict'
+
+  function requestAnimationFrameShim(callback) {
+    window.setTimeout(callback, 1000 / 60)
+  }
+
+  var keyCounter = 0
+  var contexts = {}
+  var Waypoint = window.Waypoint
+  var oldWindowLoad = window.onload
+
+  /* http://imakewebthings.com/waypoints/api/context */
+  function Context(element) {
+    this.element = element
+    this.Adapter = Waypoint.Adapter
+    this.adapter = new this.Adapter(element)
+    this.key = 'waypoint-context-' + keyCounter
+    this.didScroll = false
+    this.didResize = false
+    this.oldScroll = {
+      x: this.adapter.scrollLeft(),
+      y: this.adapter.scrollTop()
+    }
+    this.waypoints = {
+      vertical: {},
+      horizontal: {}
+    }
+
+    element.waypointContextKey = this.key
+    contexts[element.waypointContextKey] = this
+    keyCounter += 1
+
+    this.createThrottledScrollHandler()
+    this.createThrottledResizeHandler()
+  }
+
+  /* Private */
+  Context.prototype.add = function(waypoint) {
+    var axis = waypoint.options.horizontal ? 'horizontal' : 'vertical'
+    this.waypoints[axis][waypoint.key] = waypoint
+    this.refresh()
+  }
+
+  /* Private */
+  Context.prototype.checkEmpty = function() {
+    var horizontalEmpty = this.Adapter.isEmptyObject(this.waypoints.horizontal)
+    var verticalEmpty = this.Adapter.isEmptyObject(this.waypoints.vertical)
+    if (horizontalEmpty && verticalEmpty) {
+      this.adapter.off('.waypoints')
+      delete contexts[this.key]
+    }
+  }
+
+  /* Private */
+  Context.prototype.createThrottledResizeHandler = function() {
+    var self = this
+
+    function resizeHandler() {
+      self.handleResize()
+      self.didResize = false
+    }
+
+    this.adapter.on('resize.waypoints', function() {
+      if (!self.didResize) {
+        self.didResize = true
+        Waypoint.requestAnimationFrame(resizeHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.createThrottledScrollHandler = function() {
+    var self = this
+    function scrollHandler() {
+      self.handleScroll()
+      self.didScroll = false
+    }
+
+    this.adapter.on('scroll.waypoints', function() {
+      if (!self.didScroll || Waypoint.isTouch) {
+        self.didScroll = true
+        Waypoint.requestAnimationFrame(scrollHandler)
+      }
+    })
+  }
+
+  /* Private */
+  Context.prototype.handleResize = function() {
+    Waypoint.Context.refreshAll()
+  }
+
+  /* Private */
+  Context.prototype.handleScroll = function() {
+    var triggeredGroups = {}
+    var axes = {
+      horizontal: {
+        newScroll: this.adapter.scrollLeft(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left'
+      },
+      vertical: {
+        newScroll: this.adapter.scrollTop(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      var isForward = axis.newScroll > axis.oldScroll
+      var direction = isForward ? axis.forward : axis.backward
+
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var wasBeforeTriggerPoint = axis.oldScroll < waypoint.triggerPoint
+        var nowAfterTriggerPoint = axis.newScroll >= waypoint.triggerPoint
+        var crossedForward = wasBeforeTriggerPoint && nowAfterTriggerPoint
+        var crossedBackward = !wasBeforeTriggerPoint && !nowAfterTriggerPoint
+        if (crossedForward || crossedBackward) {
+          waypoint.queueTrigger(direction)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    this.oldScroll = {
+      x: axes.horizontal.newScroll,
+      y: axes.vertical.newScroll
+    }
+  }
+
+  /* Private */
+  Context.prototype.innerHeight = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportHeight()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerHeight()
+  }
+
+  /* Private */
+  Context.prototype.remove = function(waypoint) {
+    delete this.waypoints[waypoint.axis][waypoint.key]
+    this.checkEmpty()
+  }
+
+  /* Private */
+  Context.prototype.innerWidth = function() {
+    /*eslint-disable eqeqeq */
+    if (this.element == this.element.window) {
+      return Waypoint.viewportWidth()
+    }
+    /*eslint-enable eqeqeq */
+    return this.adapter.innerWidth()
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-destroy */
+  Context.prototype.destroy = function() {
+    var allWaypoints = []
+    for (var axis in this.waypoints) {
+      for (var waypointKey in this.waypoints[axis]) {
+        allWaypoints.push(this.waypoints[axis][waypointKey])
+      }
+    }
+    for (var i = 0, end = allWaypoints.length; i < end; i++) {
+      allWaypoints[i].destroy()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-refresh */
+  Context.prototype.refresh = function() {
+    /*eslint-disable eqeqeq */
+    var isWindow = this.element == this.element.window
+    /*eslint-enable eqeqeq */
+    var contextOffset = this.adapter.offset()
+    var triggeredGroups = {}
+    var axes
+
+    this.handleScroll()
+    axes = {
+      horizontal: {
+        contextOffset: isWindow ? 0 : contextOffset.left,
+        contextScroll: isWindow ? 0 : this.oldScroll.x,
+        contextDimension: this.innerWidth(),
+        oldScroll: this.oldScroll.x,
+        forward: 'right',
+        backward: 'left',
+        offsetProp: 'left'
+      },
+      vertical: {
+        contextOffset: isWindow ? 0 : contextOffset.top,
+        contextScroll: isWindow ? 0 : this.oldScroll.y,
+        contextDimension: this.innerHeight(),
+        oldScroll: this.oldScroll.y,
+        forward: 'down',
+        backward: 'up',
+        offsetProp: 'top'
+      }
+    }
+
+    for (var axisKey in axes) {
+      var axis = axes[axisKey]
+      for (var waypointKey in this.waypoints[axisKey]) {
+        var waypoint = this.waypoints[axisKey][waypointKey]
+        var adjustment = waypoint.options.offset
+        var oldTriggerPoint = waypoint.triggerPoint
+        var elementOffset = 0
+        var freshWaypoint = oldTriggerPoint == null
+        var contextModifier, wasBeforeScroll, nowAfterScroll
+        var triggeredBackward, triggeredForward
+
+        if (waypoint.element !== waypoint.element.window) {
+          elementOffset = waypoint.adapter.offset()[axis.offsetProp]
+        }
+
+        if (typeof adjustment === 'function') {
+          adjustment = adjustment.apply(waypoint)
+        }
+        else if (typeof adjustment === 'string') {
+          adjustment = parseFloat(adjustment)
+          if (waypoint.options.offset.indexOf('%') > - 1) {
+            adjustment = Math.ceil(axis.contextDimension * adjustment / 100)
+          }
+        }
+
+        contextModifier = axis.contextScroll - axis.contextOffset
+        waypoint.triggerPoint = elementOffset + contextModifier - adjustment
+        wasBeforeScroll = oldTriggerPoint < axis.oldScroll
+        nowAfterScroll = waypoint.triggerPoint >= axis.oldScroll
+        triggeredBackward = wasBeforeScroll && nowAfterScroll
+        triggeredForward = !wasBeforeScroll && !nowAfterScroll
+
+        if (!freshWaypoint && triggeredBackward) {
+          waypoint.queueTrigger(axis.backward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (!freshWaypoint && triggeredForward) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+        else if (freshWaypoint && axis.oldScroll >= waypoint.triggerPoint) {
+          waypoint.queueTrigger(axis.forward)
+          triggeredGroups[waypoint.group.id] = waypoint.group
+        }
+      }
+    }
+
+    for (var groupKey in triggeredGroups) {
+      triggeredGroups[groupKey].flushTriggers()
+    }
+
+    return this
+  }
+
+  /* Private */
+  Context.findOrCreateByElement = function(element) {
+    return Context.findByElement(element) || new Context(element)
+  }
+
+  /* Private */
+  Context.refreshAll = function() {
+    for (var contextId in contexts) {
+      contexts[contextId].refresh()
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/context-find-by-element */
+  Context.findByElement = function(element) {
+    return contexts[element.waypointContextKey]
+  }
+
+  window.onload = function() {
+    if (oldWindowLoad) {
+      oldWindowLoad()
+    }
+    Context.refreshAll()
+  }
+
+  Waypoint.requestAnimationFrame = function(callback) {
+    var requestFn = window.requestAnimationFrame ||
+      window.mozRequestAnimationFrame ||
+      window.webkitRequestAnimationFrame ||
+      requestAnimationFrameShim
+    requestFn.call(window, callback)
+  }
+  Waypoint.Context = Context
+}())
+;(function() {
+  'use strict'
+
+  function byTriggerPoint(a, b) {
+    return a.triggerPoint - b.triggerPoint
+  }
+
+  function byReverseTriggerPoint(a, b) {
+    return b.triggerPoint - a.triggerPoint
+  }
+
+  var groups = {
+    vertical: {},
+    horizontal: {}
+  }
+  var Waypoint = window.Waypoint
+
+  /* http://imakewebthings.com/waypoints/api/group */
+  function Group(options) {
+    this.name = options.name
+    this.axis = options.axis
+    this.id = this.name + '-' + this.axis
+    this.waypoints = []
+    this.clearTriggerQueues()
+    groups[this.axis][this.name] = this
+  }
+
+  /* Private */
+  Group.prototype.add = function(waypoint) {
+    this.waypoints.push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.clearTriggerQueues = function() {
+    this.triggerQueues = {
+      up: [],
+      down: [],
+      left: [],
+      right: []
+    }
+  }
+
+  /* Private */
+  Group.prototype.flushTriggers = function() {
+    for (var direction in this.triggerQueues) {
+      var waypoints = this.triggerQueues[direction]
+      var reverse = direction === 'up' || direction === 'left'
+      waypoints.sort(reverse ? byReverseTriggerPoint : byTriggerPoint)
+      for (var i = 0, end = waypoints.length; i < end; i += 1) {
+        var waypoint = waypoints[i]
+        if (waypoint.options.continuous || i === waypoints.length - 1) {
+          waypoint.trigger([direction])
+        }
+      }
+    }
+    this.clearTriggerQueues()
+  }
+
+  /* Private */
+  Group.prototype.next = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    var isLast = index === this.waypoints.length - 1
+    return isLast ? null : this.waypoints[index + 1]
+  }
+
+  /* Private */
+  Group.prototype.previous = function(waypoint) {
+    this.waypoints.sort(byTriggerPoint)
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    return index ? this.waypoints[index - 1] : null
+  }
+
+  /* Private */
+  Group.prototype.queueTrigger = function(waypoint, direction) {
+    this.triggerQueues[direction].push(waypoint)
+  }
+
+  /* Private */
+  Group.prototype.remove = function(waypoint) {
+    var index = Waypoint.Adapter.inArray(waypoint, this.waypoints)
+    if (index > -1) {
+      this.waypoints.splice(index, 1)
+    }
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/first */
+  Group.prototype.first = function() {
+    return this.waypoints[0]
+  }
+
+  /* Public */
+  /* http://imakewebthings.com/waypoints/api/last */
+  Group.prototype.last = function() {
+    return this.waypoints[this.waypoints.length - 1]
+  }
+
+  /* Private */
+  Group.findOrCreate = function(options) {
+    return groups[options.axis][options.name] || new Group(options)
+  }
+
+  Waypoint.Group = Group
+}())
+;(function() {
+  'use strict'
+
+  var $ = window.Zepto
+  var Waypoint = window.Waypoint
+
+  function ZeptoAdapter(element) {
+    this.element = element
+    this.$element = $(element)
+  }
+
+  $.each([
+    'off',
+    'on',
+    'scrollLeft',
+    'scrollTop'
+  ], function(i, method) {
+    ZeptoAdapter.prototype[method] = function() {
+      var args = Array.prototype.slice.call(arguments)
+      return this.$element[method].apply(this.$element, args)
+    }
+  })
+
+  ZeptoAdapter.prototype.offset = function() {
+    if (this.element !== this.element.window) {
+      return this.$element.offset()
+    }
+  }
+
+  // Adapted from https://gist.github.com/wheresrhys/5823198
+  $.each([
+    'width',
+    'height'
+  ], function(i, dimension) {
+    function createDimensionMethod($element, includeBorder) {
+      return function(includeMargin) {
+        var $element = this.$element
+        var size = $element[dimension]()
+        var sides = {
+          width: ['left', 'right'],
+          height: ['top', 'bottom']
+        }
+
+        $.each(sides[dimension], function(i, side) {
+          size += parseInt($element.css('padding-' + side), 10)
+          if (includeBorder) {
+            size += parseInt($element.css('border-' + side + '-width'), 10)
+          }
+          if (includeMargin) {
+            size += parseInt($element.css('margin-' + side), 10)
+          }
+        })
+        return size
+      }
+    }
+
+    var innerMethod = $.camelCase('inner-' + dimension)
+    var outerMethod = $.camelCase('outer-' + dimension)
+
+    ZeptoAdapter.prototype[innerMethod] = createDimensionMethod(false)
+    ZeptoAdapter.prototype[outerMethod] = createDimensionMethod(true)
+  })
+
+  $.each([
+    'extend',
+    'inArray'
+  ], function(i, method) {
+    ZeptoAdapter[method] = $[method]
+  })
+
+  ZeptoAdapter.isEmptyObject = function(obj) {
+    /* eslint no-unused-vars: 0 */
+    for (var name in obj) {
+      return false
+    }
+    return true
+  }
+
+  Waypoint.adapters.push({
+    name: 'zepto',
+    Adapter: ZeptoAdapter
+  })
+  Waypoint.Adapter = ZeptoAdapter
+}())
+;(function() {
+  'use strict'
+
+  var Waypoint = window.Waypoint
+
+  function createExtension(framework) {
+    return function() {
+      var waypoints = []
+      var overrides = arguments[0]
+
+      if (framework.isFunction(arguments[0])) {
+        overrides = framework.extend({}, arguments[1])
+        overrides.handler = arguments[0]
+      }
+
+      this.each(function() {
+        var options = framework.extend({}, overrides, {
+          element: this
+        })
+        if (typeof options.context === 'string') {
+          options.context = framework(this).closest(options.context)[0]
+        }
+        waypoints.push(new Waypoint(options))
+      })
+
+      return waypoints
+    }
+  }
+
+  if (window.jQuery) {
+    window.jQuery.fn.waypoint = createExtension(window.jQuery)
+  }
+  if (window.Zepto) {
+    window.Zepto.fn.waypoint = createExtension(window.Zepto)
+  }
+}())
+;